From patchwork Thu Mar 21 11:33:41 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajeshwari Birje X-Patchwork-Id: 229630 X-Patchwork-Delegate: promsoft@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 6769D2C00C1 for ; Thu, 21 Mar 2013 22:30:59 +1100 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 3F2BE4A02F; Thu, 21 Mar 2013 12:30:54 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id xxHqUMQwIYvS; Thu, 21 Mar 2013 12:30:54 +0100 (CET) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id EAB724A033; Thu, 21 Mar 2013 12:30:45 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 76A8B4A03F for ; 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Thu, 21 Mar 2013 20:30:27 +0900 (KST) X-AuditID: cbfee691-b7f5f6d000002fda-d1-514aef5382d8 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 95.C6.13494.35FEA415; Thu, 21 Mar 2013 20:30:27 +0900 (KST) Received: from rajeshwari-linux.sisodomain.com ([107.108.215.115]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MK000DUVD5RQ040@mmp1.samsung.com> for u-boot@lists.denx.de; Thu, 21 Mar 2013 20:30:27 +0900 (KST) From: Rajeshwari Shinde To: u-boot@lists.denx.de Date: Thu, 21 Mar 2013 17:03:41 +0530 Message-id: <1363865621-7570-4-git-send-email-rajeshwari.s@samsung.com> X-Mailer: git-send-email 1.7.4.4 In-reply-to: <1363865621-7570-1-git-send-email-rajeshwari.s@samsung.com> References: <1363865621-7570-1-git-send-email-rajeshwari.s@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrGLMWRmVeSWpSXmKPExsWyRsSkSjf4vVegweZHUhZv93ayOzB6nL2z gzGAMYrLJiU1J7MstUjfLoErY3ZLM2PBfKmKWycXszcwtol2MXJySAiYSBy5c4kdwhaTuHBv PVsXIxeHkMBSRomO/a+YYYqW/D/BDJFYxCix7dYGFghnFZPEqZt3wNrZBIwktp6cxghiiwhI SPzqvwpmMwvESLze/4MNxBYWcJOYOHk3WD2LgKrEgsWTWEBsXgF3iVuPTrFBbFOQODb1KyuI zSngIdHw7y3YFUJANe0btoJdISFwmU1i+7oJjBCDBCS+TT4ENIgDKCErsekA1NWSEgdX3GCZ wCi8gJFhFaNoakFyQXFSepGpXnFibnFpXrpecn7uJkZgGJ7+92ziDsb7B6wPMSYDjZvILCWa nA8M47ySeENjMyMLUxNTYyNzSzPShJXEedVbrAOFBNITS1KzU1MLUovii0pzUosPMTJxcEo1 MNr06Qi+/Pb/v8x8lmV/Z9vqBrupiP9hCoz7wzYzPZArp1zx+e7zu+tqxWVvb/gYa1vwQi32 /jqHxaUiTf5SLPLp/0SbanbrH7BuvlF1PS1yWbvsjX1WhQss0mxEMz5s6vNb0Vw/qUFmsWy1 RaOK4lG+p9trSlrT+7f0P5GuCrwX5FjD+1NLiaU4I9FQi7moOBEAljPOYFkCAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrMIsWRmVeSWpSXmKPExsVy+t9jAd3g916BBo9ecFu83dvJ7sDocfbO DsYAxqgGRpuM1MSU1CKF1Lzk/JTMvHRbJe/geOd4UzMDQ11DSwtzJYW8xNxUWyUXnwBdt8wc oLFKCmWJOaVAoYDE4mIlfTtME0JD3HQtYBojdH1DguB6jAzQQMIaxozZLc2MBfOlKm6dXMze wNgm2sXIySEhYCKx5P8JZghbTOLCvfVsXYxcHEICixgltt3awALhrGKSOHXzDjtIFZuAkcTW k9MYQWwRAQmJX/1XwWxmgRiJ1/t/sIHYwgJuEhMn7warZxFQlViweBILiM0r4C5x69EpNoht ChLHpn5lBbE5BTwkGv69BbtCCKimfcNW5gmMvAsYGVYxiqYWJBcUJ6XnGukVJ+YWl+al6yXn 525iBAf5M+kdjKsaLA4xCnAwKvHwcjzxDBRiTSwrrsw9xCjBwawkwqvz1CtQiDclsbIqtSg/ vqg0J7X4EGMy0FUTmaVEk/OBEZhXEm9obGJuamxqaWJhYmZJmrCSOO/BVutAIYH0xJLU7NTU gtQimC1MHJxSDYycu/rZYli1Qmbv3LukTXgV12rGH6WPxXb1Gsz2P71E0uT5W/tl6y92lh7z W9NTciH0laaG8Lu1YU/lyoyrwn5EvHghZHZ9D2dTdIQya0zJ6QWbmbnmiWqsfq1j3a7I2ZJ6 INLr4Y2yy9tZ34Uti7YX13Rczr2cj5/dS7IrokzqW9Q8ieNVokosxRmJhlrMRcWJAF7/C8S2 AgAA DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Cc: patches@linaro.org Subject: [U-Boot] [PATCH 3/3 V4] EXYNOS5: GPIO: Enable GPIO Command for EXYNOS5 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de This patch enables GPIO Command for EXYNOS5. Function has been added to asm/gpio.h to decode the input gpio name to gpio number. example: gpio set gpa00 Signed-off-by: Rajeshwari Shinde --- Changes in V2: - New patch Changes in V3: - Created a table to know the base address of input bank. Changes in V4: - Moved the function name_to_gpio to s5p gpio driver and renamed to s5p_name_to_gpio. arch/arm/include/asm/arch-exynos/gpio.h | 8 +++++ drivers/gpio/s5p_gpio.c | 49 +++++++++++++++++++++++++++++++ include/configs/exynos5250-dt.h | 1 + 3 files changed, 58 insertions(+), 0 deletions(-) diff --git a/arch/arm/include/asm/arch-exynos/gpio.h b/arch/arm/include/asm/arch-exynos/gpio.h index 0b8e35e..7c0df0b 100644 --- a/arch/arm/include/asm/arch-exynos/gpio.h +++ b/arch/arm/include/asm/arch-exynos/gpio.h @@ -668,6 +668,14 @@ static inline unsigned int s5p_gpio_part_max(int nr) return 0; } +struct gpio_name_num_table { + char bank; + unsigned int base; +}; + +int s5p_name_to_gpio(const char *name); +#define name_to_gpio(n) s5p_name_to_gpio(n) + void gpio_cfg_pin(int gpio, int cfg); void gpio_set_pull(int gpio, int mode); void gpio_set_drv(int gpio, int mode); diff --git a/drivers/gpio/s5p_gpio.c b/drivers/gpio/s5p_gpio.c index a503137..312d352 100644 --- a/drivers/gpio/s5p_gpio.c +++ b/drivers/gpio/s5p_gpio.c @@ -57,6 +57,21 @@ static const struct gpio_info gpio_data[EXYNOS5_GPIO_NUM_PARTS] = { #define HAVE_GENERIC_GPIO #endif +struct gpio_name_num_table exynos5_gpio_table[] = { + { 'a', EXYNOS5_GPIO_A00 }, + { 'b', EXYNOS5_GPIO_B00 }, + { 'c', EXYNOS5_GPIO_C00 }, + { 'd', EXYNOS5_GPIO_D00 }, + { 'y', EXYNOS5_GPIO_Y00 }, + { 'x', EXYNOS5_GPIO_X00 }, + { 'e', EXYNOS5_GPIO_E00 }, + { 'f', EXYNOS5_GPIO_F00 }, + { 'g', EXYNOS5_GPIO_G00 }, + { 'h', EXYNOS5_GPIO_H00 }, + { 'v', EXYNOS5_GPIO_V00 }, + { 'z', EXYNOS5_GPIO_Z0 }, +}; + void s5p_gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg) { unsigned int value; @@ -259,3 +274,37 @@ void gpio_cfg_pin(int gpio, int cfg) s5p_gpio_cfg_pin(s5p_gpio_get_bank(gpio), s5p_gpio_get_pin(gpio), cfg); } + +int s5p_name_to_gpio(const char *name) +{ + unsigned int num, i; + + name++; + + if (*name == 'p') + ++name; + + for (i = 0; i < ARRAY_SIZE(exynos5_gpio_table); i++) { + if (*name == exynos5_gpio_table[i].bank) { + if (*name == 'c') { + name++; + num = simple_strtoul(name, NULL, 10); + if (num >= 40) { + num = EXYNOS5_GPIO_C40 + (num - 40); + } else { + num = simple_strtoul(name, NULL, 8); + num = exynos5_gpio_table[i].base + num; + } + } else { + name++; + num = simple_strtoul(name, NULL, 8); + num = exynos5_gpio_table[i].base + num; + } + break; + } + } + + if (i == ARRAY_SIZE(exynos5_gpio_table)) + return -1; + return num; +} diff --git a/include/configs/exynos5250-dt.h b/include/configs/exynos5250-dt.h index 9fab0fb..5a8a2fb 100644 --- a/include/configs/exynos5250-dt.h +++ b/include/configs/exynos5250-dt.h @@ -115,6 +115,7 @@ #define CONFIG_CMD_EXT2 #define CONFIG_CMD_FAT #define CONFIG_CMD_NET +#define CONFIG_CMD_GPIO #define CONFIG_BOOTDELAY 3 #define CONFIG_ZERO_BOOTDELAY_CHECK